Measuring and testing – Vibration – Test chamber
Reexamination Certificate
2008-01-10
2009-11-03
Donels, Jeffrey (Department: 2832)
Measuring and testing
Vibration
Test chamber
C073S585000, C073S589000, C181S030000, C181S148000, C181S175000, C181S196000, C181S198000, C381S058000, C381S059000
Reexamination Certificate
active
07610810
ABSTRACT:
Embodiments include an acoustic source for use in a hemi-anechoic chamber comprising a source assembly and a waveguide assembly for producing sound outside of a measurement hemisphere and channeling the sound into the measurement hemisphere. A waveguide end from which sound emanates is positioned close to the reflecting plane of the chamber and can approximate a point source.
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Donels Jeffrey
Ets-Lindgren, L.P.
Luks Jeremy
Stellitano Patrick
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